Tunnel boring machines - Air locks - Part 1: requirements for air locks utilising compressed air as the pressurising or breathing medium along with requirements for oxygen breathing systems for decompression purposes

Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings

Emergency and danger systems - Part 1: Emergency and danger response systems (EDRS) - Basic requirements, duties, responsibilities and activities; German and English version prEN 50726-1:2023

Cable trunking systems and cable ducting systems for electrical installations - Part 1: General requirements; German and English version prEN IEC 61084-1:2022/prAA:2022

Fibre optic interconnecting devices and passive components - Non-wavelength-selective fibre optic branching devices - Part 1: Generic specification (IEC 86B/4613/CD:2022); Text in German and English

Requirements for generating plants to be connected in parallel with distribution networks - Part 1: Connection to a LV distribution network - Generating plants up to and including Type B

Industrial trucks - Safety requirements and verification - Part 1: Self-propelled industrial trucks, other than driverless trucks, variable-reach trucks and burden-carrier trucks

Ultrasonics - Hydrophones - Part 1: Measurement and characterization of medical ultrasonic fields (IEC 62127-1:2022); German version EN IEC 62127-1:2022

Railway Applications - The Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS) - Part 1: Generic RAMS Process; German and English version EN 50126-1:2017/prA1:2023

Foodstuffs - Determination of trace elements - Part 1: Determination of mercury by cold-vapour atomic absorption spectrometry (CVAAS) after pressure digestion; German and English version prEN 13806-1:2023